| Type of germs found in the culture of the pus | Effective | Percentage |
| Escherichia coli | 24 | 50 |
| Staphylocoque aureus | 8 | 16.67 |
| Klebsiella pneumonia | 5 | 10.42 |
| Entérobactérie | 6 | 12.5 |
| Pseudomonas aeroginosa | 3 | 6.25 |
| Streptococcus | 2 | 4.16 |
| Total | 48 | 100 |